/* ===== CSS Variables & Fonts ===== */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --blue: #0F6CBD;
    --blue-hover: #0c5696;
    --blue-bg: rgba(15, 108, 189, 0.1);
    --header-bg: rgba(255, 255, 255, 0.85);
    --danger: #ef4444;
    --success: #22c55e;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-glass: rgba(30, 41, 59, 0.8);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --header-bg: rgba(15, 23, 42, 0.9);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; transition: background 0.3s, color 0.3s; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.highlight { color: var(--blue); }

/* ===== Typography ===== */
.section-label { display: inline-block; padding: 6px 16px; background: var(--blue-bg); color: var(--blue); border-radius: 20px; font-weight: 600; font-size: 0.9rem; margin-bottom: 15px; }
.section-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 40px; color: var(--text-primary); }

/* ===== Buttons ===== */
.btn { display: inline-flex; justify-content: center; align-items: center; padding: 12px 24px; border-radius: 12px; font-weight: 600; cursor: pointer; border: none; transition: all 0.3s ease; font-size: 1rem; }
.btn--primary { background: var(--blue); color: white; }
.btn--primary:hover { background: var(--blue-hover); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(15, 108, 189, 0.3); }
.btn--outline { border: 2px solid var(--blue); color: var(--blue); background: transparent; }
.btn--outline:hover { background: var(--blue-bg); }
.btn--small { padding: 8px 16px; font-size: 0.9rem; border-radius: 8px; }
.btn--full { width: 100%; }

/* ===== Header & Nav ===== */
.header { position: sticky; top: 0; background: var(--header-bg); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid var(--border-color); }
.header__inner { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.5rem; }
.logo i { color: var(--blue); font-size: 1.8rem; }
.logo__highlight { color: var(--blue); }
.nav { display: flex; align-items: center; gap: 30px; }
.nav__list { display: flex; gap: 20px; font-weight: 500; }
.nav__list a { transition: color 0.3s; }
.nav__list a:hover { color: var(--blue); }

.controls { display: flex; align-items: center; gap: 10px; background: var(--bg-card); padding: 5px 12px; border-radius: 20px; border: 1px solid var(--border-color); }
.controls button { background: transparent; border: none; color: var(--text-primary); font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; }
.controls select { background: transparent; border: none; color: var(--text-primary); font-size: 0.95rem; cursor: pointer; outline: none; font-family: inherit; font-weight: 500;}
.controls select option { background: var(--bg-card); color: var(--text-primary); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; z-index: 2000; }
.burger span { width: 25px; height: 3px; background: var(--text-primary); border-radius: 3px; transition: 0.3s; }

/* ===== Hero Section ===== */
.hero { padding: 80px 0; overflow: hidden; }
.hero__inner { display: flex; align-items: center; gap: 50px; }
.hero__content { flex: 1; }
.hero__badge { display: inline-block; padding: 8px 16px; background: var(--blue-bg); color: var(--blue); border-radius: 20px; font-weight: 600; margin-bottom: 20px; }
.hero__title { font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; font-weight: 800; }
.hero__subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 30px; max-width: 500px; }
.hero__features { margin-bottom: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.hero__features li { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.hero__features i { color: var(--blue); }
.hero__actions { display: flex; gap: 15px; }
.hero__image { flex: 1; position: relative; }
.hero__image-wrapper { position: relative; border-radius: 30px; overflow: hidden; z-index: 2; box-shadow: var(--shadow); }
.hero__image-wrapper img { width: 100%; height: auto; display: block; }
.glass { position: absolute; background: var(--bg-glass); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); border-radius: 16px; padding: 15px 20px; display: flex; align-items: center; gap: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.hero__glass-card { bottom: -20px; left: -20px; z-index: 3; font-weight: 700; font-size: 1.2rem; flex-direction: column; align-items: flex-start; gap: 5px;}
.hero__glass-card span:last-child { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); }

/* ===== Advantages ===== */
.advantages { padding: 80px 0; background: var(--bg-secondary); text-align: center; }
.advantages__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.advantage-card { background: var(--bg-card); padding: 30px; border-radius: 20px; box-shadow: var(--shadow); transition: transform 0.3s; border: 1px solid var(--border-color); text-align: center; }
.advantage-card:hover { transform: translateY(-10px); }
.advantage-card__img { width: 180px; height: 180px; margin: 0 auto 20px; border-radius: 50%; overflow: hidden; border: 3px solid var(--blue-bg); }
.advantage-card__img img { width: 180%; height: 180%; object-fit: cover; display: block; }
.advantage-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.advantage-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ===== About ===== */
.about { padding: 80px 0; }
.about__inner { display: flex; align-items: center; gap: 60px; }
.about__image { flex: 1; position: relative; border-radius: 30px; overflow: hidden; }
.about__experience { bottom: 30px; right: -20px; z-index: 2; flex-direction: row; }
.about__experience div { display: flex; flex-direction: column; }
.about__experience strong { font-size: 1.4rem; color: var(--text-primary); }
.about__experience small { color: var(--text-secondary); }
.about__content { flex: 1; }
.about__content p { color: var(--text-secondary); margin-bottom: 15px; font-size: 1.05rem; }
.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 30px; padding-top: 30px; border-top: 1px solid var(--border-color); }
.stat__number { font-size: 2.5rem; font-weight: 800; color: var(--blue); }
.stat__plus { font-size: 1.5rem; font-weight: 700; color: var(--blue); }
.stat__label { display: block; font-weight: 500; color: var(--text-secondary); }

/* ===== Price List ===== */
.price-list { padding: 80px 0; background: var(--bg-secondary); }
.price-category { margin-bottom: 40px; background: var(--bg-card); border-radius: 20px; padding: 30px; box-shadow: var(--shadow); border: 1px solid var(--border-color); }
.price-category__header { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.price-category__icon { width: 50px; height: 50px; background: var(--blue-bg); color: var(--blue); display: flex; align-items: center; justify-content: center; border-radius: 12px; font-size: 1.5rem; }
.price-category__title { font-size: 1.5rem; font-weight: 700; }
.price-list__grid { display: flex; flex-direction: column; gap: 15px; }
.price-item { display: flex; justify-content: space-between; align-items: center; padding: 15px; background: var(--bg-primary); border-radius: 12px; transition: 0.3s; }
.price-item:hover { background: var(--blue-bg); }
.price-item__name { font-weight: 500; font-size: 1.05rem; }
.price-item__actions { display: flex; align-items: center; gap: 20px; }
.price-item__value { font-weight: 700; color: var(--blue); font-size: 1.1rem; }
.btn--select { padding: 6px 12px; border-radius: 8px; font-size: 0.85rem; background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-primary); }
.btn--select:hover { background: var(--blue); color: white; border-color: var(--blue); }

/* ===== Doctors ===== */
.doctors { padding: 80px 0; text-align: center; }
.doctors__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 30px; margin-top: 40px; }
.doctor-card { background: var(--bg-card); padding: 30px; border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--border-color); display: flex; flex-direction: column; align-items: center; text-align: center; transition: 0.3s; }
.doctor-card:hover { transform: translateY(-5px); }
.doctor-card__img { width: 180px; height: 180px; border-radius: 50%; overflow: hidden; margin-bottom: 20px; border: 4px solid var(--blue-bg); }
.doctor-card__img img { width: 180%; height: 180% object-fit: cover; display: block; }
.doctor-card h3 { font-size: 1.3rem; margin-bottom: 5px; }
.doctor-card__spec { color: var(--blue); font-weight: 600; font-size: 0.95rem; margin-bottom: 10px; }
.doctor-card__exp { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 15px; }
.doctor-card__rating { background: var(--bg-primary); padding: 5px 15px; border-radius: 20px; font-weight: 600; margin-bottom: 20px; }

/* ===== Booking Form ===== */
.booking { padding: 80px 0; background: var(--bg-secondary); }
.booking__inner { display: flex; gap: 60px; align-items: flex-start; }
.booking__content { flex: 1; }
.booking__form { flex: 1.2; background: var(--bg-card); padding: 40px; border-radius: 24px; box-shadow: var(--shadow); border: 1px solid var(--border-color); }
.form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.form-group { flex: 1; margin-bottom: 20px; }
.form-row .form-group { margin-bottom: 0; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; }
.required { color: var(--danger); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-primary); color: var(--text-primary); font-family: inherit; font-size: 1rem; transition: border-color 0.3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); }
.phone-wrapper { display: flex; }
.phone-prefix { background: var(--bg-primary); border: 1px solid var(--border-color); border-right: none; padding: 12px 15px; border-radius: 12px 0 0 12px; font-weight: 600; color: var(--text-secondary); display: flex; align-items: center; }
.phone-wrapper input { border-radius: 0 12px 12px 0; }
.form-message { margin-top: 15px; padding: 12px; border-radius: 8px; text-align: center; font-weight: 500; display: none; }
.form-message.error { background: #fee2e2; color: #b91c1c; display: block; border: 1px solid #fca5a5; }
.form-message.success { background: #dcfce3; color: #15803d; display: block; border: 1px solid #86efac; }
.form-message.loading { background: #e0f2fe; color: #0369a1; display: block; border: 1px solid #7dd3fc; }

/* ===== Footer ===== */
.footer { background: var(--bg-card); padding: 60px 0 20px; border-top: 1px solid var(--border-color); }
.footer__inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 40px; }
.footer__brand p { color: var(--text-secondary); margin-top: 15px; }
.footer__contacts h4 { font-size: 1.2rem; margin-bottom: 20px; }
.footer__contacts p { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); margin-bottom: 10px; }
.footer__contacts i { color: var(--blue); width: 20px; }
.footer__bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); color: var(--text-secondary); font-size: 0.9rem; }

/* ===== Media Queries (Responsive) ===== */
@media (max-width: 992px) {
    .hero__inner, .about__inner, .booking__inner { flex-direction: column; text-align: center; }
    .hero__actions { justify-content: center; }
    .hero__features { grid-template-columns: 1fr; display: inline-block; text-align: left; margin: 0 auto 40px;}
    .hero__title { font-size: 2.8rem; }
    .nav__list { gap: 15px; font-size: 0.9rem; }
    .price-item { flex-direction: column; align-items: flex-start; gap: 15px; }
    .price-item__actions { width: 100%; justify-content: space-between; }
    .about__experience { right: 20px; bottom: 20px; }
}

@media (max-width: 768px) {
    .burger { display: flex; }
    .nav { 
        position: fixed; top: 60px; right: -100%; flex-direction: column; 
        background: var(--bg-primary); width: 100%; height: calc(100vh - 60px); 
        padding: 40px 20px; transition: right 0.3s ease; border-top: 1px solid var(--border-color);
        z-index: 1000;
    }
    .nav.active { right: 0; }
    .nav__list { flex-direction: column; align-items: center; gap: 25px; font-size: 1.2rem; width: 100%; }
    .controls { margin-top: 30px; justify-content: center; width: 100%; padding: 15px; }
    
    .form-row { flex-direction: column; gap: 0; }
    .doctors__grid, .advantages__grid { grid-template-columns: 1fr; }
    .hero__glass-card { left: 10px; bottom: 10px; }
}